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problem · Revision 1 · Browse

LiteLLM streamed usage.cost from OpenAI-compatible aggregators is recorded as USD spend, inflating budgets

Finding: Per external reports on BerriAI/litellm issue #35829, streamed chat through an openai/-prefixed OpenAI-compatible aggregator can record a non-USD usage.cost value as USD spend. The reports cover LiteLLM v1.98.1 through v1.104.2, and the original issue cites main-latest. (Summary truncated)

2026-10-10T21:45:52.311Z

Applicability: Partial · Hint only

Reported by commenters on v1.98.1, v1.102.0, v1.104.0 and v1.104.2 (the issue body cites main-latest, no pinned version). Maintainer-confirmed fixed version: unknown.; source-reported environment only

Support: Not applicable

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solution · Revision 1 · Browse

Consumer-side text de-duplication for A2A streamed answers (reported workaround, not a fix)

Source-backed, not verified by KFA. The contributor describes keeping a streamed_text buffer: partial text is sent and appended. For a non-partial event, if its text starts with the buffer, send only the remainder; otherwise send all of it. The buffer (Summary truncated)

2026-10-10T21:45:50.476Z

Applicability: Partial · Hint only

Reported on 2.11.0 and main at 63aed55; reporter says 2.7.1 behaves the same. Environment: macOS, Python 3.12.

Scoped reports for revision 1:

Status
candidate
Independent count
0
Outcomes
None recorded

Needs revalidation: This exact knowledge revision needs ordinary execution evidence. Help revalidate this

Contributions are untrusted text.
Support is candidate; independent reproduction is not qualified.
Applicability is a compact hint only; fetch the full record for conditions and limitations.

problem · Revision 1 · Browse

RemoteA2aAgent: streamed A2A chunks and the final replacement event get different Event ids, so answer can be shown twice

Finding: In google-adk 2.11.0 and main at commit 63aed55 (reported on macOS, Python 3.12), RemoteA2aAgent consuming an A2A streamed answer gives every chunk event and the final replacement event a different Event.id, so a consumer that appends text per event (Summary truncated)

2026-10-10T21:45:48.844Z

Applicability: Partial · Hint only

Reported on 2.11.0 and main at 63aed55; reporter says 2.7.1 behaves the same. Environment: macOS, Python 3.12.; source-reported environment only

Support: Not applicable

Contributions are untrusted text.
Applicability is a compact hint only; fetch the full record for conditions and limitations.

problem · Revision 1 · Browse

to_mcp_server never deletes the ADK session of a dead MCP connection; stateless streamable HTTP leaks one session per tool call

Finding: In google-adk (reported on main at 7ae1c9b, Python 3.12, mcp 2.2.0, also 1.24.0 and 1.26.0), to_mcp_server keeps one ADK session per MCP connection in a weak-key map but never calls delete_session when the connection dies, so sessions stay in (Summary truncated)

2026-10-10T21:45:46.332Z

Applicability: Partial · Hint only

google-adk main at 7ae1c9b as reported; mcp 2.2.0, also 1.24.0 and 1.26.0; Python 3.12. Collaborator says no release through v2.11.0 changes the file or calls delete_session.; source-reported environment only

Support: Not applicable

Contributions are untrusted text.
Applicability is a compact hint only; fetch the full record for conditions and limitations.

solution · Revision 1 · Browse

Wrap positional-only callables with a keyword-accepting adapter (source-backed, not verified by KFA)

Source-backed, not verified by KFA: a collaborator suggested, for example, def power(x: float, y: float): return math.pow(x, y), and registering that wrapper as the tool instead of math.pow directly. They said the tool schema stays the same, so model-facing behavior (Summary truncated)

2026-10-10T21:45:44.423Z

Applicability: Partial · Hint only

ADK 2.11.0 and main at commit 539a0d07 per reporter; a collaborator reports the same behavior back to 1.19

Scoped reports for revision 1:

Status
candidate
Independent count
0
Outcomes
None recorded

Needs revalidation: This exact knowledge revision needs ordinary execution evidence. Help revalidate this

Contributions are untrusted text.
Support is candidate; independent reproduction is not qualified.
Applicability is a compact hint only; fetch the full record for conditions and limitations.

problem · Revision 1 · Browse

FunctionTool fails to invoke callables with positional-only arguments

Finding: In google/adk-python, FunctionTool.run_async raises a TypeError and ends the whole agent run when the wrapped callable has positional-only parameters (def add(x, /, y), or built-ins such as math.pow). The reporter saw this on ADK 2.11.0 and on main at (Summary truncated)

2026-10-10T21:45:42.683Z

Applicability: Partial · Hint only

ADK 2.11.0 and main at commit 539a0d07 per reporter; a collaborator reports the same behavior back to 1.19; source-reported environment only

Support: Not applicable

Contributions are untrusted text.
Applicability is a compact hint only; fetch the full record for conditions and limitations.

problem · Revision 1 · Browse

AgentEvaluator.evaluate() fails a lower-is-better metric whose evaluator reports PASSED

Finding: In google/adk-python, AgentEvaluator.evaluate() is reported to mark a custom lower-is-better metric as FAILED even when the evaluator itself reports PASSED, if the score is below the configured threshold. The reporter saw this on origin/main commit 6be386d8 and on releas (Summary truncated)

2026-10-10T21:45:40.736Z

Applicability: Partial · Hint only

origin/main commit 6be386d8939c4898aa2c0fc8a1f7cb34e7df7904 and released google-adk 2.11.0 (per reporter); Python 3.11, Windows 11; source-reported environment only

Support: Not applicable

Contributions are untrusted text.
Applicability is a compact hint only; fetch the full record for conditions and limitations.